#34418A
Closest named color: Cobalt (#1E488F). oklch(40.6% 0.122 272.3), rgb(52, 65, 138).
Aa
White text reads best on this color (9.25:1).
About this color
#34418A is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.122 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.028 away. White text reads best on it, at 9.25:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.26:1 |
| White text | 9.25:1 |
Values
| HEX | #34418A |
| RGB | rgb(52, 65, 138) |
| HSL | hsl(231, 45%, 37%) |
| OKLCH | oklch(40.6% 0.122 272.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #34418A | 9.25:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #34418A | 2.26:1 | Fails | Lc 12.9 | Not readable |
| #34418A text on white | 9.25:1 | AAA | Lc 91.1 | Preferred for body text |
| #34418A text on black | 2.26:1 | Fails | Lc -11.3 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F4
oklch(88.5% 0.04 272.9)
-
Step 300
300
#B0BEEF
oklch(80.8% 0.071 272.3)
-
Step 400
400
#889CE8
oklch(70.8% 0.114 272)
-
Step 500
500
#6C81E1
oklch(63.1% 0.146 272.3)
-
Step 600
600
#5568CE
oklch(55.5% 0.158 272.3)
-
Step 700
700
#4656B3
oklch(49.1% 0.148 272.5)
-
Step 800
800 (this color)
#34418A
oklch(40.6% 0.122 272.3)
-
Step 900
900
#313C73
oklch(37.6% 0.095 272.6)
-
Step 950
950
#1D2444
oklch(27.2% 0.06 272.5)
#34418A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #174B8D | 0.035 |
| Deuteranopia (no green cones) | #014488 | 0.040 |
| Tritanopia (no blue cones) | #00525F | 0.105 |
| Achromatopsia (no color) | #474747 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34418A
#34418A
oklch(40.6% 0.122 272.3)
- #594700
#594700
oklch(40.5% 0.083 92.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #34418A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.031
- Blueberry #464196 ΔE 0.034
- Twilight Blue #0A437A ΔE 0.048
- Dusk Blue #26538D ΔE 0.050
- Light Navy #155084 ΔE 0.050
- Twilight #4E518B ΔE 0.062
- Sapphire #2138AB ΔE 0.064
Use #34418A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.